US10458142B1 - Anti-loosening endcap for utility crossarm - Google Patents

Anti-loosening endcap for utility crossarm Download PDF

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Publication number
US10458142B1
US10458142B1 US16/174,663 US201816174663A US10458142B1 US 10458142 B1 US10458142 B1 US 10458142B1 US 201816174663 A US201816174663 A US 201816174663A US 10458142 B1 US10458142 B1 US 10458142B1
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United States
Prior art keywords
endcap
crossarm
channel
passage
pointed head
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
US16/174,663
Inventor
Xueming Xu
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Wedax Corp
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Wedax Corp
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Publication date
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Priority to US16/174,663 priority Critical patent/US10458142B1/en
Assigned to Wedax Corporation reassignment Wedax Corporation ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: XU, XUEMING
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Publication of US10458142B1 publication Critical patent/US10458142B1/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H12/00—Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures
    • E04H12/003—Access covers or locks therefor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B17/00—Connecting constructional elements or machine parts by a part of or on one member entering a hole in the other and involving plastic deformation
    • F16B17/004—Connecting constructional elements or machine parts by a part of or on one member entering a hole in the other and involving plastic deformation of rods or tubes mutually
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B21/00—Means for preventing relative axial movement of a pin, spigot, shaft or the like and a member surrounding it; Stud-and-socket releasable fastenings
    • F16B21/06—Releasable fastening devices with snap-action
    • F16B21/07—Releasable fastening devices with snap-action in which the socket has a resilient part
    • F16B21/071—Releasable fastening devices with snap-action in which the socket has a resilient part the socket being integrally formed with a component to be fasted, e.g. a sheet, plate or strip
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60M—POWER SUPPLY LINES, AND DEVICES ALONG RAILS, FOR ELECTRICALLY- PROPELLED VEHICLES
    • B60M1/00—Power supply lines for contact with collector on vehicle
    • B60M1/12—Trolley lines; Accessories therefor
    • B60M1/20—Arrangements for supporting or suspending trolley wires, e.g. from buildings
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H12/00—Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures
    • E04H12/24—Cross arms
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B15/00—Nails; Staples
    • F16B15/0023—Nail plates
    • F16B15/0053—Nail plates with separate nails attached to the plate
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B17/00—Connecting constructional elements or machine parts by a part of or on one member entering a hole in the other and involving plastic deformation
    • F16B17/008—Connecting constructional elements or machine parts by a part of or on one member entering a hole in the other and involving plastic deformation of sheets or plates mutually
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G7/00—Overhead installations of electric lines or cables
    • H02G7/20—Spatial arrangements or dispositions of lines or cables on poles, posts or towers

Definitions

  • the present invention relates to the technical field of electric power equipment, and specifically, to an endcap for utility crossarm.
  • endcaps When a composite tube is used as a utility crossarm, endcaps need to be mounted on two ends of the composite tube. Because the crossarm is used in the open air and is exposed to the sun and rain, it should be ensured that the endcaps of the crossarm do not fall off. However, it is difficult to ensure that commonly used endcaps are firmly mounted and do not fall off during long-term use.
  • a technical problem to be resolved by the present invention is to provide an anti-loosening endcap for the utility crossarm.
  • An anti-loosening endcap of the crossarm includes an endcap body inserted into the crossarm, where a channel perpendicular to an inner wall of the crossarm is disposed inside the endcap body, one end of the channel is open, a pointed head pin is slidably disposed in the channel, the pointed head of the pointed head pin faces the inner wall of the crossarm, the endcap is further provided with an axial through passage, the passage and the channel intersect at a tail portion of the pointed head pin, and a corresponding pin is provided for the passage.
  • two ends of the channel are open.
  • two-pointed head pins in opposite directions are disposed in each channel, and the passage intersects with the channels at a channel center.
  • the passage is provided with a counterbore on an outer end face of the endcap.
  • the endcap is easy to mount and highly universal because the pin can be simply driven into the passage by using a universal hammer, without requiring any special tool.
  • the pointed head pin is jabbed from the inner wall of the crossarm without damaging outer surface of the crossarm.
  • the present invention has the following beneficial effects:
  • the pin is driven into the passage, and the pin presses the tail portion of the pointed head pin, so that the pointed head of the pointed head pin pierces the inner wall of the crossarm, thereby providing an effect of locking the endcap and preventing the endcap from loosening and falling off from the crossarm.
  • the endcap is easy to mount and highly universal because the pin can be simply driven into the passage by using a hammer, without requiring any special tool.
  • the pointed head pin is jabbed from the inner wall of the crossarm without damaging outer surface of the crossarm.
  • FIG. 1 is a schematic transverse cross-sectional view according to a first embodiment of the invention
  • FIG. 2 is a schematic layout diagram of a preferred embodiment of the present invention in a fixed state
  • FIG. 3 is a schematic cross-sectional view of channels of a preferred embodiment of the present invention.
  • a channel 3 perpendicular to an inner wall of a crossarm is disposed inside an endcap body that is of an endcap 2 and that is inserted into the crossarm 1 , there are two channels 3 intersecting with each other at a center, and two ends of the channel 3 are open.
  • Two-pointed head pins 5 in opposite directions are slidably disposed in each channel 3 , and a pointed head of the pointed head pin 5 faces the inner wall of the crossarm 1 .
  • the endcap 2 is further provided with an axial through passage 4 , the passage 4 intersects with an intersecting point of the two channels 3 , and passage 4 is provided with a counterbore 7 on an outer end face of the endcap 2 .
  • a corresponding pin 6 is provided for the passage 4 .
  • FIG. 1 and FIG. 3 each show a non-fixed state of the endcap 2 .
  • the pointed head pins 5 are located in the channels 3 , and tail portions of the pointed head pins are in contact with each other.
  • the pin presses the tail portions of the pointed head pins 5 , so that the pointed head pins 5 are jabbed into the inner wall of the crossarm 1 in the channels 3 , and the pointed heads of the pointed head pins 5 pierce the inner wall of the crossarm 1 , thereby providing an effect of locking the endcap and preventing the endcap from loosening and falling off.
  • FIG. 2 is a schematic layout diagram of a preferred embodiment of the present invention in a fixed state.
  • pin 6 is shown in a driven state into passage 4 , the pin presses the tail portions of the pointed head pins 5 , so that the pointed head pins 5 are jabbed into the inner wall of crossarm 1 in the channels 3 (referring to FIG. 1 ), and the pointed heads of the pointed head pins 5 pierce the inner wall of the crossarm 1 , thereby providing an effect of locking the endcap and preventing the endcap from loosening and falling off.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Pressure Vessels And Lids Thereof (AREA)

Abstract

An anti-loosening endcap for utility crossarm comprising an endcap body inserted into the crossarm, where a channel perpendicular to an inner wall of the crossarm is disposed inside the endcap body, one end of the channel is open, the pointed head pin is slidably disposed in the channel, the pointed head of the pointed head pin faces the inner wall of the crossarm, the endcap is further provided with an axial through passage, the passage and the channel intersect at the tail portion of the pointed head pin, and the corresponding pin is provided for the passage. The pin is driven into the passage, and the pin presses the tail portion of the pointed head pin, so that the pointed head of the pointed head pin pierces the inner wall of the crossarm, thereby providing a locking effect.

Description

CROSS-REFERENCE TO RELATED APPLICATIONS
This application is a continuation of Chinese utility mode application number 2018209145781, filed Jun. 13, 2018, entitled “ANTI-LOOSENING ENDCAP FOR UTILITY CROSSARM”, the entire content of which is incorporated herein by reference.
BACKGROUND OF THE INVENTION Field of the Art
The present invention relates to the technical field of electric power equipment, and specifically, to an endcap for utility crossarm.
Discussion of the State of the Art
When a composite tube is used as a utility crossarm, endcaps need to be mounted on two ends of the composite tube. Because the crossarm is used in the open air and is exposed to the sun and rain, it should be ensured that the endcaps of the crossarm do not fall off. However, it is difficult to ensure that commonly used endcaps are firmly mounted and do not fall off during long-term use.
SUMMARY OF THE INVENTION
A technical problem to be resolved by the present invention is to provide an anti-loosening endcap for the utility crossarm.
To resolve the foregoing technical problem, the present invention is implemented by using the following technical solution: An anti-loosening endcap of the crossarm includes an endcap body inserted into the crossarm, where a channel perpendicular to an inner wall of the crossarm is disposed inside the endcap body, one end of the channel is open, a pointed head pin is slidably disposed in the channel, the pointed head of the pointed head pin faces the inner wall of the crossarm, the endcap is further provided with an axial through passage, the passage and the channel intersect at a tail portion of the pointed head pin, and a corresponding pin is provided for the passage.
In a preferred embodiment, there are two channels intersecting with each other, and the passage intersects with an intersecting point of the two channels.
In a preferred embodiment, there, two ends of the channel are open.
In a preferred embodiment, there, two-pointed head pins in opposite directions are disposed in each channel, and the passage intersects with the channels at a channel center.
In a preferred embodiment, there, the passage is provided with a counterbore on an outer end face of the endcap.
The endcap is easy to mount and highly universal because the pin can be simply driven into the passage by using a universal hammer, without requiring any special tool. The pointed head pin is jabbed from the inner wall of the crossarm without damaging outer surface of the crossarm.
The present invention has the following beneficial effects: The pin is driven into the passage, and the pin presses the tail portion of the pointed head pin, so that the pointed head of the pointed head pin pierces the inner wall of the crossarm, thereby providing an effect of locking the endcap and preventing the endcap from loosening and falling off from the crossarm. The endcap is easy to mount and highly universal because the pin can be simply driven into the passage by using a hammer, without requiring any special tool. The pointed head pin is jabbed from the inner wall of the crossarm without damaging outer surface of the crossarm.
BRIEF DESCRIPTION OF THE DRAWING FIGURES
The accompanying drawings illustrate several embodiments of the invention and, together with the description, serve to explain the principles of the invention according to the embodiments. It will be appreciated by one skilled in the art that the particular embodiments illustrated in the drawings are merely exemplary and are not to be considered as limiting of the scope of the invention or the claims herein in any way.
FIG. 1 is a schematic transverse cross-sectional view according to a first embodiment of the invention;
FIG. 2 is a schematic layout diagram of a preferred embodiment of the present invention in a fixed state; and
FIG. 3 is a schematic cross-sectional view of channels of a preferred embodiment of the present invention.
The drawings use the following reference numerals:
    • 1: Crossarm;
    • 2: End cover;
    • 3: Channel;
    • 4: Passage;
    • 5: Pointed head pin;
    • 6: Pin;
    • 7: Counterbore.
DETAILED DESCRIPTION
One or more different inventions may be described in the present application. Further, for one or more of the inventions described herein, numerous alternative embodiments may be described; it should be appreciated that these are presented for illustrative purposes only and are not limiting of the inventions contained herein or the claims presented herein in any way. One or more of the inventions may be widely applicable to numerous embodiments, as may be readily apparent from the disclosure. In general, embodiments are described in sufficient detail to enable those skilled in the art to practice one or more of the inventions, and it should be appreciated that other embodiments may be utilized and that structural, logical, software, electrical and other changes may be made without departing from the scope of the particular inventions. Accordingly, one skilled in the art will recognize that one or more of the inventions may be practiced with various modifications and alterations. Particular features of one or more of the inventions described herein may be described with reference to one or more particular embodiments or figures that form a part of the present disclosure, and in which are shown, by way of illustration, specific embodiments of one or more of the inventions. It should be appreciated, however, that such features are not limited to usage in the one or more particular embodiments or figures with reference to which they are described. The present disclosure is neither a literal description of all embodiments of one or more of the inventions nor a listing of features of one or more of the inventions that must be present in all embodiments.
Headings of sections provided in this patent application and the title of this patent application are for convenience only and are not to be taken as limiting the disclosure in any way.
The following describes the present invention in detail with reference to the accompanying drawings and specific implementations.
As shown in FIG. 1 to FIG. 3, a channel 3 perpendicular to an inner wall of a crossarm is disposed inside an endcap body that is of an endcap 2 and that is inserted into the crossarm 1, there are two channels 3 intersecting with each other at a center, and two ends of the channel 3 are open. Two-pointed head pins 5 in opposite directions are slidably disposed in each channel 3, and a pointed head of the pointed head pin 5 faces the inner wall of the crossarm 1. The endcap 2 is further provided with an axial through passage 4, the passage 4 intersects with an intersecting point of the two channels 3, and passage 4 is provided with a counterbore 7 on an outer end face of the endcap 2. A corresponding pin 6 is provided for the passage 4.
FIG. 1 and FIG. 3 each show a non-fixed state of the endcap 2. In this case, the pointed head pins 5 are located in the channels 3, and tail portions of the pointed head pins are in contact with each other. After the pin 6 is driven into the passage 4, the pin presses the tail portions of the pointed head pins 5, so that the pointed head pins 5 are jabbed into the inner wall of the crossarm 1 in the channels 3, and the pointed heads of the pointed head pins 5 pierce the inner wall of the crossarm 1, thereby providing an effect of locking the endcap and preventing the endcap from loosening and falling off.
FIG. 2 is a schematic layout diagram of a preferred embodiment of the present invention in a fixed state. According to the embodiment, pin 6 is shown in a driven state into passage 4, the pin presses the tail portions of the pointed head pins 5, so that the pointed head pins 5 are jabbed into the inner wall of crossarm 1 in the channels 3 (referring to FIG. 1), and the pointed heads of the pointed head pins 5 pierce the inner wall of the crossarm 1, thereby providing an effect of locking the endcap and preventing the endcap from loosening and falling off.
It should be emphasized that the foregoing descriptions are merely preferred embodiments of the present invention and are not intended to limit the present invention in any form. Any simple alteration, equivalent change or modification made to the foregoing embodiments according to the technical essence of the present invention shall fall within the scope of the technical solutions of the present invention.
The skilled person will be aware of a range of possible modifications of the various embodiments described above. Accordingly, the present invention is defined by the claims and their equivalents.

Claims (5)

What is claimed is:
1. An anti-loosening endcap for a utility crossarm comprising:
an endcap body inserted into the crossarm;
wherein a channel perpendicular to an inner wall of the crossarm is disposed inside the endcap body, one end of the channel is open, a pointed head pin is slidably disposed in the channel, the pointed head pin, operable to pierce the inner wall of the crossarm, faces the inner wall of the crossarm, the endcap is further provided with an axial through passage, the passage and the channel intersect at a tail portion of the pointed head pin, and a corresponding pin is provided for the passage.
2. The anti-loosening endcap according to claim 1, wherein there are two channels intersecting with each other, and the passage intersects with an intersecting point of the two channels.
3. The anti-loosening endcap according to claim 2, wherein two-pointed head pins in opposite directions are disposed in each channel, and the passage intersects with the channel at a channel center.
4. The anti-loosening endcap according to claim 1, wherein two ends of the channel are open.
5. The anti-loosening endcap according to claim 1, wherein the passage is provided with a counterbore on an outer end face of the endcap.
US16/174,663 2018-10-30 2018-10-30 Anti-loosening endcap for utility crossarm Expired - Fee Related US10458142B1 (en)

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Citations (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5231236A (en) * 1992-01-07 1993-07-27 Carlos Del Real Safety lock for firearms
US5480108A (en) * 1993-02-19 1996-01-02 Etat Francais As Represented By The Delegue General Pour L'armement Harpoon heads and harpoons provided with such heads for the anchoring of helicopters to platforms
US5803689A (en) * 1995-07-27 1998-09-08 Kongsberg Offshore As Device for interconnection of two objects
US5816621A (en) * 1997-07-03 1998-10-06 Frost; Terry J. Quick release mechanism for hydraulic and gas carrying lines
US20030170074A1 (en) * 2002-03-08 2003-09-11 Mills John S. Positive lock pin
US6675615B1 (en) * 2000-06-16 2004-01-13 J. Mark Williams T-bar deck locker security system
US6684670B1 (en) * 2002-08-07 2004-02-03 Inner-Tite Corp. Lock assembly with self retained barrel lock
US20040084582A1 (en) * 2002-07-08 2004-05-06 Kralic John Frank Utility pole cross-arm and associated pole-top hardware
US6813918B2 (en) * 1998-07-20 2004-11-09 Life-Long Locks Inc. Barrel lock assembly
US6834469B2 (en) * 2001-01-24 2004-12-28 Geotek, Inc. Utility line support member
US7963759B1 (en) * 2006-11-29 2011-06-21 Custom Products Enterprises, Inc. Mold base hold retainer and method of using
US8720874B2 (en) * 2010-09-08 2014-05-13 Kurt Manufacturing Company, Inc. Ball actuated lock pin
US9028184B2 (en) * 2012-10-19 2015-05-12 Dennis Bone Protrusion anchor assembly
US20160208510A1 (en) * 2014-06-18 2016-07-21 Power Composites, Llc Composite Structural Support Arm
US9752713B2 (en) * 2012-11-23 2017-09-05 Staubli Faverges Female quick-connect coupling element, and a quick-connect coupling incorporating such an element
US20180031625A1 (en) * 2015-02-23 2018-02-01 Ifd Internal Fault Detector Corp. Integrated fault monitoring apparatus for electrical equipment
US20180100323A1 (en) * 2016-10-12 2018-04-12 Geotek, Llc Support member for supporting electrical power lines
US20180195306A1 (en) * 2017-01-06 2018-07-12 Valmont Industries, Inc. Cross arm support structure
US20180334293A1 (en) * 2017-05-19 2018-11-22 Maclean Power, L.L.C. Endcap for a crossarm, related system, and method of assembly

Patent Citations (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5231236A (en) * 1992-01-07 1993-07-27 Carlos Del Real Safety lock for firearms
US5480108A (en) * 1993-02-19 1996-01-02 Etat Francais As Represented By The Delegue General Pour L'armement Harpoon heads and harpoons provided with such heads for the anchoring of helicopters to platforms
US5803689A (en) * 1995-07-27 1998-09-08 Kongsberg Offshore As Device for interconnection of two objects
US5816621A (en) * 1997-07-03 1998-10-06 Frost; Terry J. Quick release mechanism for hydraulic and gas carrying lines
US6813918B2 (en) * 1998-07-20 2004-11-09 Life-Long Locks Inc. Barrel lock assembly
US6675615B1 (en) * 2000-06-16 2004-01-13 J. Mark Williams T-bar deck locker security system
US6834469B2 (en) * 2001-01-24 2004-12-28 Geotek, Inc. Utility line support member
US20030170074A1 (en) * 2002-03-08 2003-09-11 Mills John S. Positive lock pin
US20040084582A1 (en) * 2002-07-08 2004-05-06 Kralic John Frank Utility pole cross-arm and associated pole-top hardware
US6684670B1 (en) * 2002-08-07 2004-02-03 Inner-Tite Corp. Lock assembly with self retained barrel lock
US7963759B1 (en) * 2006-11-29 2011-06-21 Custom Products Enterprises, Inc. Mold base hold retainer and method of using
US8720874B2 (en) * 2010-09-08 2014-05-13 Kurt Manufacturing Company, Inc. Ball actuated lock pin
US9028184B2 (en) * 2012-10-19 2015-05-12 Dennis Bone Protrusion anchor assembly
US9752713B2 (en) * 2012-11-23 2017-09-05 Staubli Faverges Female quick-connect coupling element, and a quick-connect coupling incorporating such an element
US20160208510A1 (en) * 2014-06-18 2016-07-21 Power Composites, Llc Composite Structural Support Arm
US9546498B2 (en) * 2014-06-18 2017-01-17 Power Composites, Llc Composite structural support arm
US9790704B2 (en) * 2014-06-18 2017-10-17 Power Composites, Llc Composite structural support arm
US20180031625A1 (en) * 2015-02-23 2018-02-01 Ifd Internal Fault Detector Corp. Integrated fault monitoring apparatus for electrical equipment
US20180100323A1 (en) * 2016-10-12 2018-04-12 Geotek, Llc Support member for supporting electrical power lines
US20180195306A1 (en) * 2017-01-06 2018-07-12 Valmont Industries, Inc. Cross arm support structure
US20180334293A1 (en) * 2017-05-19 2018-11-22 Maclean Power, L.L.C. Endcap for a crossarm, related system, and method of assembly

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